Release 1.1.0 rc2

[jdolitsky]

Candidate commits for releasing 1.1.0-rc2 and switch back to dev and bump main branch version to 1.1.0-dev

(See #348 for process)

19 PRs merged since last release (v1.1.0-rc1):

git log --oneline --merges 1dfa4f4...270cc7f | sed '$ d' |  \
  sed 's/.*Merge pull request //' | grep -v 'GHSA' | awk '{print "- " $1}' | uniq | grep '#'

• Automate conformance testing on PR using zot #401
• Use artifactType from image manifest #395
• Upgrade to reggie v0.6.1 to fix issue with Accept header #400
• skip TLS verification during conformance tests #394
• conformance: make blob mount and upload checks more strict #399
• Add a patch status to recover failed requests #366
• spec and README: reduce to just image-manifest #383
• Specify Warning header usage #393
• Add OCI-Chunk-Min-Length header #391
• Update Jon Johnson's email #392
• Updating go modules in conformance #387
• Bump golang.org/x/net from 0.0.0-20210428140749-89ef3d95e781 to 0.7.0 in /conformance #385
• Bump golang.org/x/text from 0.3.6 to 0.3.8 in /conformance #384
• Specify filters-applied response header #380
• Specify subject-processed response header #379
• Add Go 1.20 support #381
• Fix broken link to image indices in spec. #371
• conformance.test01Pull: Check client errors before using response object #356
• Release 1.1.0 rc1 #348

[jdolitsky]

duplicate of #403